Jacksonville is a medium-sized city located in the state of Illinois. With a population of 17,279 people and six associated neighborhoods, Jacksonville is the 146th largest community in Illinois.

One interesting thing about the economy is that relatively large numbers of people worked from their home: 9.14% of the workforce. While this number may seem small overall, as a fraction of the total workforce this is high compared to the rest of the county. These workers are often telecommuters who work in knowledge-based, white-collar professions. For example, Silicon Valley has large numbers of people who telecommute. Other at-home workers may be self-employed people who operate small businesses out of their homes.

Compared to the rest of the country, citizens of Jacksonville spend much less time in their cars: on average, their commute to work is only 17.61 minutes. This also means that noise and pollution levels in the city are less than they would otherwise be.

The population of Jacksonville overall has a level of education that is slightly above the US average for all US cities and towns of 21.84%. Of adults 25 and older in Jacksonville, 22.40% have at least a bachelor's degree.

The per capita income in Jacksonville in 2018 was $31,927, which is middle income relative to Illinois and the nation. This equates to an annual income of $127,708 for a family of four. However, Jacksonville contains both very wealthy and poor people as well.

Jacksonville is a somewhat ethnically-diverse city. The people who call Jacksonville home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Jacksonville residents report their race to be White, followed by Black or African-American. Important ancestries of people in Jacksonville include German, English, Irish, Italian, and French.

The most common language spoken in Jacksonville is English. Other important languages spoken here include Spanish and Slavic languages.